Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808437 | Method for producing magnetic recording medium | Akira Kisoda, Hiroshi Suzuki, Masanaru Hasegawa | 1989-02-28 |
TH
Tomiharu Hosaka
Overall (1989): #49,065 of 140,708Top 35%
1
Patents 1989